Question: 4. Consider a distribution with probability density function f(x) and its mean is denoted by . The density is symmetric around at, i.e., f(u +y)

4. Consider a distribution with probability density function f(x) and its mean is denoted by . The density is symmetric around at, i.e., f(u +y) = f(u -y) for any y > 0. Prove that the skewness of the distribution is zero

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